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What is the difference between "AC magnitude" and "Amplitude" in Cadence?

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qiushidaren

qiushidaren

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What is the difference between "AC magnitude" and "Amplitude" in Cadence?

What is the difference between "AC magnitude" and "Amplitude" in Cadence, thank you in advance!
 

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Amplitude is used for a periodic signal like clock, thus frequency dependent.

AC magnitude is used for frequency independent composites such as device noise or spurious or floor noise.
 

ac magnitude

SkyHigh said:
Amplitude is used for a periodic signal like clock, thus frequency dependent.

AC magnitude is used for frequency independent composites such as device noise or spurious or floor noise.
Click to expand...
I still can't catch you, amplitude is frequency dependent? I have never heard of this!
 

Re: AC magnitude

You can check Cadence Design Manual and Help on AC response and characteristics.
It explains there.
 

    qiushidaren

    qiushidaren

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Re: AC magnitude

SkyHigh said:
You can check Cadence Design Manual and Help on AC response and characteristics.
It explains there.
Click to expand...
Ok, thanks for your suggestions!
 

Re: AC magnitude

what a pity, I can't find a Cadence Design Manual in my computer, so can someone else explain some details about the difference between AC magnitude and Amplitude in Cadence to me? Thank you in advance!
 

AC magnitude

Hi,"AC magnitude" is used in "ac" analysis and it is an ac small signal amplitude.
"Amplitude" is used in "tran" analysis and it is a large signal amplitude.
 
Re: AC magnitude

chenmy said:
Hi,"AC magnitude" is used in "ac" analysis and it is an ac small signal amplitude.
"Amplitude" is used in "tran" analysis and it is a large signal amplitude.
Click to expand...
Thank you so much, you really help me a lot!!!
 
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